1.692 Jobs für Data Scientists in Deutschland

• Abgeschlossenes Masterstudium oder Promotion in Informatik, Statistik, Physik, Mathematik oder einem verwandten quantitativen Fachgebiet.
• Nachweisbare Erfahrung in der Big Data Analyse, Datenmodellierung und im Umgang mit großen Datensätzen.
• Sehr gute Kenntnisse in Programmiersprachen wie Python oder R und relevanter Bibliotheken (Pandas, NumPy, Scikit-learn etc.).
• Erfahrung mit Big Data-Technologien wie Spark, Hadoop oder ähnlichen Frameworks.
• Fundierte Kenntnisse in Machine Learning Algorithmen und deren Anwendung.
• Erfahrung in der Datenvisualisierung (z.B. mit Matplotlib, Seaborn, Tableau).
• Starke analytische Fähigkeiten und die Fähigkeit, komplexe Probleme zu lösen.
• Gute Deutsch- und Englischkenntnisse in Wort und Schrift.
• Fähigkeit zur eigenständigen Arbeit sowie zur effektiven Zusammenarbeit in einem Team.
• Interesse an aktuellen Forschungsthemen und der Bereitschaft, sich kontinuierlich weiterzubilden.

Olcya est un cabinet de niche spécialisé dans l'Hyper automatisation, soit l'agrégation des offres suivantes : Big Data, Cloud, DevOps, IA & RPA, APM et Agilité .

lusieurs clients grands compte nous font déjà confiance (BNPP, SG, Total, Crédit Agricole ).

Cela fait 7 ans que nous existons et beaucoup de nos consultants nous accompagnent depuis le début de l'aventure pour notre plus grande fierté !

Venir chez Olcya ne se fait pas par hasard car en plus d'une mission challengeante, vous y trouverez des responsabilités et la possibilité de devenir référent sur votre domaine d'intervention (sans compter les afterworks et un suivi de qualité).

Au sein d une équipe mature sur les sujets liés au Big Data, vous allez, avec d autres Olcyiens (Projet avec du BUILD et du RUN) :

• Administrer et monitorer les outils Big Data.
• Participer à l automatisation de l'infrastructure Bigdata (basée sur le logiciel de l éditeur Cloudera CDP 7.1) s appuyant sur TERRAFORM et ANSIBLE.
• Ajouter des extensions automatisées des clusters Bigdata (avec l ajout de nouveaux datanodes).
• Ajouter de nouvelles fonctionnalités automatisées (Hbase, Encryption).
• Assurer le maintien opérationnel du système (sécurisation des clusters, la mise en place d environnements de développement et de test, au support et à la résolution des problèmes N2 et N3).

Stack technique :

Installation et configuration des différents composants : Zookeeper, HDFS, Spark, Hive, Kerberos, Sentry, Anaconda, Hue, Kafka, Pyspark, Hortonworks, Cloudera Data Platform (CDP/HDP).

Langage de programmation : Python, Scala.

Système : Linux, Windows.

Monitoring des clusters avec Ambari, Cloudera manager, MCS

Administration des clusters : droits d accès, Policy Ranger, création d environnements

Configuration et mise en place de la chaine CI/CD est un plus : Ansible, Jenkins, Docker, Terraform, Nexus

Forfait télétravail, excellente mutuelle (prise en charge à 80% par l’employeur), CSE, formations au sein de l’Olcya academy…

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring, and we are particularly focused on building a diverse, inclusive workforce.

At our Tech Hub, located near Wilanowska Metro, we are over 300 passionate and driven specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global leader in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and help us reshape the labour market. Together, we will create a future where everyone—regardless of background—has equal opportunities in the job market.

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring, and we are particularly focused on building a diverse, inclusive workforce.

At our Tech Hub, located near Wilanowska Metro, we are over 300 passionate and driven specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global leader in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and help us reshape the labour market. Together, we will create a future where everyone—regardless of background—has equal opportunities in the job market.

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring, and we are particularly focused on building a diverse, inclusive workforce.

At our Tech Hub, located near Wilanowska Metro, we are over 300 passionate and driven specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global leader in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and help us reshape the labour market. Together, we will create a future where everyone—regardless of background—has equal opportunities in the job market.

As a Senior Big Data Engineer and AI Enthusiast, you will join the Marketplace Enablement department, working inside a cross-functional team to design and implement cutting-edge, high-performance central streaming data products that power our recruitment AI applications, including deploying advanced machine learning models.

Your expertise will help create a more inclusive and efficient recruitment experience globally, directly supporting our mission to reshape the labour market for everyone. You will have a strong sense of ownership and proactively provide solutions before a situation deteriorates.

Your Responsibilities

• Lead the design and build of modern big data platforms and AI-powered tools that promote fair and inclusive hiring.
• Champion code quality by applying best practices like clean code, automated testing, CI/CD, observability, security, and Federated Governance.
• Design, implement, and optimize high-performance data pipelines and real-time applications using tools like Apache Kafka and Apache Spark.
• Manage and optimize complex ETL/ELT processes and data orchestration workflows.
• Continuously evaluate, improve, and scale our data infrastructure, advocating for new technologies and architectural patterns.
• Collaborate and mentor in an international, agile, cross-functional team, helping others grow and succeed.
• Contribute to building an inclusive team culture where every voice is valued.
• Work in a collaborative environment that values diverse perspectives and inclusive decision-making.

Your Skills & Qualifications

• Excellent communication skills in spoken and written English (B2+ level).
• Genuine passion for leveraging data and AI to solve complex problems and make a tangible impact.
• Deep expertise and proven track record in Python for building large-scale data and backend applications (5+ years professional experience).
• Strong experience with AWS cloud services (e.g., EMR, Glue, ECS with Docker, Redshift, DynamoDB, S3) and understanding of cloud-native architectures (3+ years).
• Professional experience in Big Data architecture, Data Warehousing, designing complex ETL/ELT pipelines, and data pipeline orchestration (2+ years).
• Solid experience with Apache Kafka (MSK) for real-time data ingestion and processing (1+ years).
• Familiarity with Infrastructure as Code (Terraform) and Huggingface Transformers (considered a plus).
• We value different career paths — if you have taken career breaks, switched disciplines, or balanced work with family life, we still encourage you to apply.

If you don't meet every single requirement but are excited about this role, we still would love to see you applying :)

We believe in supporting our team members both inside and outside the office. We strive to ensure that your job enriches your life. Here are just some of the benefits we offer:

• Premium medical and dental care
• Life insurance
• Flex Benefits - Worksmile Cafeteria System (Multisport, vouchers, tickets, etc.)
• Employee Referral Program
• Hackathons, Knowledge Sharing Hours, In-house projects
• Tech and sport communities
• Events and integration parties
• Charity initiatives, including 2 extra volunteer days
• English/German language classes
• A supportive and inclusive workplace that promotes professional and personal growth for everyone
• Flexible working hours and hybrid work model to support work–life balance.

Our commitment
At The Stepstone Group, diversity and inclusion are key to our success. We encourage applications from everyone, regardless of gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, or any other characteristic. We are particularly passionate about attracting more women into tech and leadership roles and provide an environment that supports your growth. We offer mentoring and support networks to help women and underrepresented colleagues grow into senior and leadership roles.

JBGL1_DE

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring, and we are particularly focused on building a diverse, inclusive workforce.

At our Tech Hub, located near Wilanowska Metro, we are over 300 passionate and driven specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global leader in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and help us reshape the labour market. Together, we will create a future where everyone—regardless of background—has equal opportunities in the job market.

As a Senior Big Data Engineer and AI Enthusiast, you will join the Marketplace Enablement department, working inside a cross-functional team to design and implement cutting-edge, high-performance central streaming data products that power our recruitment AI applications, including deploying advanced machine learning models.

Your expertise will help create a more inclusive and efficient recruitment experience globally, directly supporting our mission to reshape the labour market for everyone. You will have a strong sense of ownership and proactively provide solutions before a situation deteriorates.

Your Responsibilities

• Lead the design and build of modern big data platforms and AI-powered tools that promote fair and inclusive hiring.
• Champion code quality by applying best practices like clean code, automated testing, CI/CD, observability, security, and Federated Governance.
• Design, implement, and optimize high-performance data pipelines and real-time applications using tools like Apache Kafka and Apache Spark.
• Manage and optimize complex ETL/ELT processes and data orchestration workflows.
• Continuously evaluate, improve, and scale our data infrastructure, advocating for new technologies and architectural patterns.
• Collaborate and mentor in an international, agile, cross-functional team, helping others grow and succeed.
• Contribute to building an inclusive team culture where every voice is valued.
• Work in a collaborative environment that values diverse perspectives and inclusive decision-making.

Your Skills & Qualifications

• Excellent communication skills in spoken and written English (B2+ level).
• Genuine passion for leveraging data and AI to solve complex problems and make a tangible impact.
• Deep expertise and proven track record in Python for building large-scale data and backend applications (5+ years professional experience).
• Strong experience with AWS cloud services (e.g., EMR, Glue, ECS with Docker, Redshift, DynamoDB, S3) and understanding of cloud-native architectures (3+ years).
• Professional experience in Big Data architecture, Data Warehousing, designing complex ETL/ELT pipelines, and data pipeline orchestration (2+ years).
• Solid experience with Apache Kafka (MSK) for real-time data ingestion and processing (1+ years).
• Familiarity with Infrastructure as Code (Terraform) and Huggingface Transformers (considered a plus).
• We value different career paths — if you have taken career breaks, switched disciplines, or balanced work with family life, we still encourage you to apply.

If you don't meet every single requirement but are excited about this role, we still would love to see you applying :)

We believe in supporting our team members both inside and outside the office. We strive to ensure that your job enriches your life. Here are just some of the benefits we offer:

• Premium medical and dental care
• Life insurance
• Flex Benefits - Worksmile Cafeteria System (Multisport, vouchers, tickets, etc.)
• Employee Referral Program
• Hackathons, Knowledge Sharing Hours, In-house projects
• Tech and sport communities
• Events and integration parties
• Charity initiatives, including 2 extra volunteer days
• English/German language classes
• A supportive and inclusive workplace that promotes professional and personal growth for everyone
• Flexible working hours and hybrid work model to support work–life balance.

Our commitment
At The Stepstone Group, diversity and inclusion are key to our success. We encourage applications from everyone, regardless of gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, or any other characteristic. We are particularly passionate about attracting more women into tech and leadership roles and provide an environment that supports your growth. We offer mentoring and support networks to help women and underrepresented colleagues grow into senior and leadership roles.

JBGL1_DE

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring, and we are particularly focused on building a diverse, inclusive workforce.

At our Tech Hub, located near Wilanowska Metro, we are over 300 passionate and driven specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global leader in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and help us reshape the labour market. Together, we will create a future where everyone—regardless of background—has equal opportunities in the job market.

As a Senior Big Data Engineer and AI Enthusiast, you will join the Marketplace Enablement department, working inside a cross-functional team to design and implement cutting-edge, high-performance central streaming data products that power our recruitment AI applications, including deploying advanced machine learning models.

Your expertise will help create a more inclusive and efficient recruitment experience globally, directly supporting our mission to reshape the labour market for everyone. You will have a strong sense of ownership and proactively provide solutions before a situation deteriorates.

Your Responsibilities

• Lead the design and build of modern big data platforms and AI-powered tools that promote fair and inclusive hiring.
• Champion code quality by applying best practices like clean code, automated testing, CI/CD, observability, security, and Federated Governance.
• Design, implement, and optimize high-performance data pipelines and real-time applications using tools like Apache Kafka and Apache Spark.
• Manage and optimize complex ETL/ELT processes and data orchestration workflows.
• Continuously evaluate, improve, and scale our data infrastructure, advocating for new technologies and architectural patterns.
• Collaborate and mentor in an international, agile, cross-functional team, helping others grow and succeed.
• Contribute to building an inclusive team culture where every voice is valued.
• Work in a collaborative environment that values diverse perspectives and inclusive decision-making.

Your Skills & Qualifications

• Excellent communication skills in spoken and written English (B2+ level).
• Genuine passion for leveraging data and AI to solve complex problems and make a tangible impact.
• Deep expertise and proven track record in Python for building large-scale data and backend applications (5+ years professional experience).
• Strong experience with AWS cloud services (e.g., EMR, Glue, ECS with Docker, Redshift, DynamoDB, S3) and understanding of cloud-native architectures (3+ years).
• Professional experience in Big Data architecture, Data Warehousing, designing complex ETL/ELT pipelines, and data pipeline orchestration (2+ years).
• Solid experience with Apache Kafka (MSK) for real-time data ingestion and processing (1+ years).
• Familiarity with Infrastructure as Code (Terraform) and Huggingface Transformers (considered a plus).
• We value different career paths — if you have taken career breaks, switched disciplines, or balanced work with family life, we still encourage you to apply.

If you don't meet every single requirement but are excited about this role, we still would love to see you applying :)

We believe in supporting our team members both inside and outside the office. We strive to ensure that your job enriches your life. Here are just some of the benefits we offer:

• Premium medical and dental care
• Life insurance
• Flex Benefits - Worksmile Cafeteria System (Multisport, vouchers, tickets, etc.)
• Employee Referral Program
• Hackathons, Knowledge Sharing Hours, In-house projects
• Tech and sport communities
• Events and integration parties
• Charity initiatives, including 2 extra volunteer days
• English/German language classes
• A supportive and inclusive workplace that promotes professional and personal growth for everyone
• Flexible working hours and hybrid work model to support work–life balance.

Our commitment
At The Stepstone Group, diversity and inclusion are key to our success. We encourage applications from everyone, regardless of gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, or any other characteristic. We are particularly passionate about attracting more women into tech and leadership roles and provide an environment that supports your growth. We offer mentoring and support networks to help women and underrepresented colleagues grow into senior and leadership roles.

JBRP1_DE

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring, and we are particularly focused on building a diverse, inclusive workforce.

At our Tech Hub, located near Wilanowska Metro, we are over 300 passionate and driven specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global leader in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and help us reshape the labour market. Together, we will create a future where everyone—regardless of background—has equal opportunities in the job market.

As a Senior Big Data Engineer and AI Enthusiast, you will join the Marketplace Enablement department, working inside a cross-functional team to design and implement cutting-edge, high-performance central streaming data products that power our recruitment AI applications, including deploying advanced machine learning models.

Your expertise will help create a more inclusive and efficient recruitment experience globally, directly supporting our mission to reshape the labour market for everyone. You will have a strong sense of ownership and proactively provide solutions before a situation deteriorates.

Your Responsibilities

• Lead the design and build of modern big data platforms and AI-powered tools that promote fair and inclusive hiring.
• Champion code quality by applying best practices like clean code, automated testing, CI/CD, observability, security, and Federated Governance.
• Design, implement, and optimize high-performance data pipelines and real-time applications using tools like Apache Kafka and Apache Spark.
• Manage and optimize complex ETL/ELT processes and data orchestration workflows.
• Continuously evaluate, improve, and scale our data infrastructure, advocating for new technologies and architectural patterns.
• Collaborate and mentor in an international, agile, cross-functional team, helping others grow and succeed.
• Contribute to building an inclusive team culture where every voice is valued.
• Work in a collaborative environment that values diverse perspectives and inclusive decision-making.

Your Skills & Qualifications

• Excellent communication skills in spoken and written English (B2+ level).
• Genuine passion for leveraging data and AI to solve complex problems and make a tangible impact.
• Deep expertise and proven track record in Python for building large-scale data and backend applications (5+ years professional experience).
• Strong experience with AWS cloud services (e.g., EMR, Glue, ECS with Docker, Redshift, DynamoDB, S3) and understanding of cloud-native architectures (3+ years).
• Professional experience in Big Data architecture, Data Warehousing, designing complex ETL/ELT pipelines, and data pipeline orchestration (2+ years).
• Solid experience with Apache Kafka (MSK) for real-time data ingestion and processing (1+ years).
• Familiarity with Infrastructure as Code (Terraform) and Huggingface Transformers (considered a plus).
• We value different career paths — if you have taken career breaks, switched disciplines, or balanced work with family life, we still encourage you to apply.

If you don't meet every single requirement but are excited about this role, we still would love to see you applying :)

We believe in supporting our team members both inside and outside the office. We strive to ensure that your job enriches your life. Here are just some of the benefits we offer:

• Premium medical and dental care
• Life insurance
• Flex Benefits - Worksmile Cafeteria System (Multisport, vouchers, tickets, etc.)
• Employee Referral Program
• Hackathons, Knowledge Sharing Hours, In-house projects
• Tech and sport communities
• Events and integration parties
• Charity initiatives, including 2 extra volunteer days
• English/German language classes
• A supportive and inclusive workplace that promotes professional and personal growth for everyone
• Flexible working hours and hybrid work model to support work–life balance.

Our commitment
At The Stepstone Group, diversity and inclusion are key to our success. We encourage applications from everyone, regardless of gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, or any other characteristic. We are particularly passionate about attracting more women into tech and leadership roles and provide an environment that supports your growth. We offer mentoring and support networks to help women and underrepresented colleagues grow into senior and leadership roles.

JBRP1_DE